.mytable {
	table-layout: fixed;
}
.td{
	text-overflow: ellipsis;
	-mov-text-overflow: ellipsis;
	overflow: hidden;
	white-space: nowrap;
	border: 1px solid;
	text-align: left
	
}
.td:hover {
	text-overflow: inherit;
	overflow: visible;
	cursor: hand;
}
/**为tree增加添加按钮**/
.ztree li span.button.add {margin-left:2px; margin-right: -1px; background-position:-144px 0; vertical-align:top; *vertical-align:middle}